package com.foreknow.Exception;

/**
 * throw 明确异常(认为制造异常)
 */
public class ExceptionDemo2 {
    public int add(int a,int b) throws Exception{
        if (a < 0 || b < 0){
            Exception e = new Exception();
            throw e;
        }
        return a+b;
    }

    public static void main(String[] args) {
        ExceptionDemo2 demo2 = new ExceptionDemo2();
        try {
            demo2.add(1,2);
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}
